3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( array( 'test1' => 1 'test2' => 2 ) + array( 'test2' => 20 'test3' => 30 ) + );
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected ''test2'' (T_CONSTANT_ENCAPSED_STRING), expecting ')' in /in/sQqro on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ')' in /in/sQqro on line 6
Process exited with code 255.

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